.security-page{-ms-flex-align:center;align-items:center;background:#e9ecef;display:-ms-flexbox;display:flex;-ms-flex-direction:column;flex-direction:column;height:100vh;-ms-flex-pack:center;justify-content:center}.security-box{width:450px}.form-signin{max-width:350px;padding:15px;margin:0 auto}